Xbox One and Rare Studios present the only game where you become a champion to compete with your friends and their champions! Watch to see how the all new Kinect technology scans and pulls you right into the game then, for the first time, jump into Kinect Sports Rivals to master six great sports! Win to earn perks and achievements to get an edge on your competition. Enter this massive world of online play and prove YOU are #1!

Kinect Sports Rivals ships on April 8th, exclusively for the Xbox One. More details can be found at the official website.

They're fine. I actually prefer an always connected experience.
I'd really prefer an offline way to play, but its not a bother.
I don't really like them, and am more reluctant to buy a game because of it.
I won't buy them. I want my games offline.